feat(ECR-022): CrisisCare CrisisPolicy 只读并 Closed

新增 crisis_policies、admin.crisis.read、列表/试匹配 API 与 admin-h5「危机」页；禁 CrisisEvent 写/UGC/真支付。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/internal/repository/crisis_repo.go

@@ -0,0 +1,102 @@
+package repository
+
+import (
+	"context"
+	"errors"
+	"strings"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+)
+
+// CrisisPolicyRow is CrisisCare CrisisPolicy catalog.
+type CrisisPolicyRow struct {
+	ID           uuid.UUID `json:"id"`
+	Code         string    `json:"code"`
+	Title        string    `json:"title"`
+	Severity     string    `json:"severity"`
+	Pattern      string    `json:"pattern"`
+	Action       string    `json:"action"`
+	HelplineText *string   `json:"helpline_text,omitempty"`
+	Active       bool      `json:"active"`
+	System       bool      `json:"system"`
+	UpdatedAt    time.Time `json:"updated_at"`
+}
+
+// CrisisMatch is one evaluate hit.
+type CrisisMatch struct {
+	Code         string  `json:"code"`
+	Title        string  `json:"title"`
+	Severity     string  `json:"severity"`
+	Action       string  `json:"action"`
+	HelplineText *string `json:"helpline_text,omitempty"`
+}
+
+// ListCrisisPolicies returns policies active-first.
+func (r *AdminRepo) ListCrisisPolicies(ctx context.Context) ([]CrisisPolicyRow, error) {
+	rows, err := r.Pool.Query(ctx, `
+		SELECT id, code, title, severity, pattern, action, helpline_text, active, system, updated_at
+		FROM crisis_policies
+		ORDER BY active DESC, severity DESC, code ASC`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var out []CrisisPolicyRow
+	for rows.Next() {
+		var p CrisisPolicyRow
+		if err := rows.Scan(
+			&p.ID, &p.Code, &p.Title, &p.Severity, &p.Pattern, &p.Action, &p.HelplineText,
+			&p.Active, &p.System, &p.UpdatedAt,
+		); err != nil {
+			return nil, err
+		}
+		out = append(out, p)
+	}
+	return out, rows.Err()
+}
+
+// GetCrisisPolicy loads one policy.
+func (r *AdminRepo) GetCrisisPolicy(ctx context.Context, id uuid.UUID) (*CrisisPolicyRow, error) {
+	var p CrisisPolicyRow
+	err := r.Pool.QueryRow(ctx, `
+		SELECT id, code, title, severity, pattern, action, helpline_text, active, system, updated_at
+		FROM crisis_policies WHERE id=$1`, id,
+	).Scan(
+		&p.ID, &p.Code, &p.Title, &p.Severity, &p.Pattern, &p.Action, &p.HelplineText,
+		&p.Active, &p.System, &p.UpdatedAt,
+	)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, err
+	}
+	if err != nil {
+		return nil, err
+	}
+	return &p, nil
+}
+
+// EvaluateCrisisPolicies runs substring match preview (ops only).
+func (r *AdminRepo) EvaluateCrisisPolicies(ctx context.Context, text string) ([]CrisisMatch, error) {
+	policies, err := r.ListCrisisPolicies(ctx)
+	if err != nil {
+		return nil, err
+	}
+	lower := strings.ToLower(text)
+	var out []CrisisMatch
+	for _, p := range policies {
+		if !p.Active || p.Pattern == "" {
+			continue
+		}
+		if strings.Contains(lower, strings.ToLower(p.Pattern)) {
+			out = append(out, CrisisMatch{
+				Code: p.Code, Title: p.Title, Severity: p.Severity,
+				Action: p.Action, HelplineText: p.HelplineText,
+			})
+		}
+	}
+	if out == nil {
+		out = []CrisisMatch{}
+	}
+	return out, nil
+}